Reference no: EM132647594

Two small speakers A and B are driven in step at 725 Hz by the same audio oscillator. These speakers both start out 4.50 m from the listener, but speaker A is slowly moved away.

a.) At what distance d will the sound from the speakers first produce destructive interference at the location of the listener? Express your answer in meters.

b.) If A keeps moving, at what distance d will the speakers next produce destructive interference at the listener? Express your answer in meters.

c.) After A starts moving away, at what distance will the speakers first produce constructive interference at the listener? Express your answer in meters.